-
公开(公告)号：US20230298502A1
公开(公告)日：2023-09-21
申请号：US17960868
申请日：2022-10-06
Applicant: Samsung Display Co., Ltd.
Inventor： Jae Hoon LEE , Byoung Kwan AN
IPC: G09G3/20 , G09G3/3233 , G09G3/3291
CPC classification number: G09G3/2007 , G09G3/3233 , G09G3/3291 , G09G2300/0842 , G09G2300/0819 , G09G2320/043 , G09G2360/16 , G09G2320/0257
Abstract: A display device includes a pixel, a deterioration compensator, and a data driver. The pixel includes a light emitting element. The deterioration compensator records a deterioration amount of the pixel in response to an input grayscale, determines a change amount of a driving voltage of the light emitting element based on the deterioration amount and the input grayscale, and generates adjusted data by calculating an adjustment amount based on the change amount of the driving voltage of the light emitting element. The data driver supplies a data voltage corresponding to the adjusted data to the pixel. The change amount of the driving voltage of the light emitting element varies according to the input grayscale.
-
公开(公告)号：US20240412681A1
公开(公告)日：2024-12-12
申请号：US18811239
申请日：2024-08-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Joon Hyeok JEON , Byoung Kwan AN , Sang Myeon HAN , Chang Hun KIM , Seung Ho PARK , Seok Gyu BAN , Nam Jae LIM
IPC: G09G3/20 , G09G3/3233
Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.
-
公开(公告)号：US20190340739A1
公开(公告)日：2019-11-07
申请号：US16203615
申请日：2018-11-29
Applicant: Samsung Display Co., Ltd.
Inventor： Byoung Kwan AN
Abstract: A defect detection apparatus including a region setter which sets a region of interest in an image including a plurality of pixels, and a defect detector which divides the region of interest into a plurality of segments and generates a trend line for each of the segments based on gray level values of the pixels. Here, the defect detector detects a stain in the image by comparing the gray level values of the pixels with the trend line.
-
公开(公告)号：US20240233607A9
公开(公告)日：2024-07-11
申请号：US18319930
申请日：2023-05-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Joon Hyeok JEON , Byoung Kwan AN , Sang Myeon HAN , Chang Hun KIM , Seung Ho PARK , Seok Gyu BAN , Nam Jae LIM
IPC: G09G3/20 , G09G3/3233
CPC classification number: G09G3/2096 , G09G3/3233 , G09G2300/0842 , G09G2320/0257 , G09G2320/041 , G09G2320/048 , G09G2330/08 , G09G2360/16
Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.
-
Patent Agency Ranking
公开(公告)号：US20240221622A1
公开(公告)日：2024-07-04
申请号：US18495192
申请日：2023-10-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Byoung Kwan AN , Seung Ho PARK , Sang Myeon HAN
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2320/0276 , G09G2320/041 , G09G2330/021
Abstract: A display device includes: pixels that receive data voltages corresponding to output grayscales; a sensing circuit that senses electrical states of the pixels to provide sensing information; and a grayscale converter that generates the output grayscales with respect to the pixels based on input grayscales and the sensing information, wherein the grayscale converter predicts a temperature of at least one of the pixels based on the sensing information, calculates a current control amount for the at least one of the pixels based on the predicted temperature and the input grayscales, and calculates the output grayscales for the at least one of the pixels based on the current control amount and the input grayscales.
-
公开(公告)号：US20200312235A1
公开(公告)日：2020-10-01
申请号：US16820433
申请日：2020-03-16
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Wook KIM , Eun Zi KIM , Byoung Kwan AN , Seung Ho PARK
IPC: G09G3/3208
Abstract: A display device includes: a display panel including a plurality of pixels configured to receive pixel driving currents; a current sensor configured to measure an entire driving current diverged into the pixel driving currents; and a temperature sensor configured to measure an ambient temperature of the display panel, wherein the display panel includes a degradation compensator configured to generate output grayscale values for the pixels based on the entire driving current, the ambient temperature, and input grayscale values for the pixels.
-
公开(公告)号：US20240153441A1
公开(公告)日：2024-05-09
申请号：US18197722
申请日：2023-05-16
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Man KIM , Byoung Kwan AN , Sang Myeon HAN , Seung Ho PARK , Nam Jae LIM , Joon Hyeok JEON
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G3/2007 , G09G2320/0233 , G09G2320/043 , G09G2360/12
Abstract: Provided is a control device connected to a display panel including a controller configured to display images by driving the display panel according to data corresponding to image frames, and a memory connected to the controller. The controller is configured to select at least one of the image frames as a reference image frame, and update stress data corresponding to a partial area of the display panel in the memory based on one image data block selected from image data blocks of the reference image frame.
-
公开(公告)号：US20240135858A1
公开(公告)日：2024-04-25
申请号：US18319930
申请日：2023-05-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Joon Hyeok JEON , Byoung Kwan AN , Sang Myeon HAN , Chang Hun KIM , Seung Ho PARK , Seok Gyu BAN , Nam Jae LIM
IPC: G09G3/20 , G09G3/3233
CPC classification number: G09G3/2096 , G09G3/3233 , G09G2300/0842 , G09G2320/0257 , G09G2320/041 , G09G2320/048 , G09G2330/08 , G09G2360/16
Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.
-
公开(公告)号：US20220059051A1
公开(公告)日：2022-02-24
申请号：US17186712
申请日：2021-02-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Byoung Kwan AN , Sang Myeon HAN , Joon Hyeok JEON
Abstract: A method for restoring deterioration data of a display device, includes: reading deterioration data from a first storage unit; determining whether the deterioration data is abnormal by comparing a first deterioration value of a first block with adjacent deterioration values of adjacent blocks adjacent to the first block; restoring the deterioration data based on a look-up table in which a luminance retention rate according to a degree of deterioration is set and sensing data provided from a sensing unit, when the deterioration data is determined to be abnormal; and generating second image data by compensating for first image data based on the restored deterioration data. The display device includes blocks each including a pixel, the blocks include the first and adjacent blocks, the deterioration data includes deterioration values each representing a degree of deterioration of each of the blocks, and the deterioration values include the first and adjacent deterioration values.
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.016 seconds)
